Table A.1.
Odds ratios (ORs) and 95% confidence intervals for the odds of cardiovascular mortality during extreme heat (EH, the 99th percentile of mean daily mean temperature over lag days 0-3) vs. non-EH among elderly individuals without (low) or with (high) a given individual characteristic or elderly individuals residing in ZIP codes in the 25th (low) or 75th (high) percentiles of the ZIP-code characteristic, with multiple interactions per model, in 8 cities in Michigan, May-September, 1990-2007.
| Term | Model 1 | Model 2 | Model 3 | Model 4 | ||||
|---|---|---|---|---|---|---|---|---|
| Low | High | Low | High | Low | High | Low | High | |
| Non-married | 1.04 (0.95-1.13) | 1.21 (1.14-1.29)*** | 1.04 (0.95-1.13) | 1.21 (1.14-1.28)*** | 1.04 (0.95-1.13) | 1.21 (1.14-1.29)*** | 1.04 (0.96-1.14) | 1.22 (1.15-1.29)*** |
| No high school | 1.14 (1.06-1.21) | 1.04 (0.96-1.13)* | 1.14 (1.06-1.22) | 1.04 (0.96-1.13)* | 1.14 (1.06-1.21) | 1.04 (0.96-1.13)* | 1.14 (1.07-1.22) | 1.05 (0.97-1.14)* |
| Male | 1.06 (0.98-1.15) | 1.15 (1.07-1.24)* | 1.06 (0.98-1.15) | 1.15 (1.07-1.24)* | 1.06 (0.98-1.15) | 1.15 (1.07-1.24)* | 1.06 (0.98-1.15) | 1.16 (1.08-1.24) |
| Black | 1.08 (1.01-1.15) | 1.22 (1.06-1.4) | 1.08 (1.02-1.15) | 1.19 (1.04-1.35) | 1.08 (1.01-1.15) | 1.21 (1.05-1.39) | 1.08 (1.02-1.15) | 1.22 (1.06-1.40) |
| Age 79+ | 1.11 (1.02-1.2) | 1.09 (1.02-1.17) | 1.11 (1.02-1.2) | 1.09 (1.02-1.18) | 1.11 (1.02-1.20) | 1.09 (1.02-1.17) | 1.11 (1.03-1.21) | 1.10 (1.02-1.18) |
| % Non-green | 0.98 (0.89-1.07) | 1.27 (1.15-1.4)*** | 0.99 (0.9-1.08) | 1.25 (1.14-1.38)*** | 0.99 (0.91-1.08) | 1.25 (1.15-1.36)*** | ||
| % 65 and alone | 1.12 (1.05-1.20) | 1.08 (1.02-1.15) | 1.12 (1.05-1.20) | 1.08 (1.02-1.15) | 1.12 (1.05-1.2) | 1.09 (1.02-1.16) | 1.11 (1.04-1.18) | 1.10 (1.04-1.17) |
| % Below poverty | 1.13 (1.04-1.22) | 1.08 (1.01-1.16) | 1.11 (1.03-1.19) | 1.09 (1.03-1.17) | 1.10 (1.02-1.20) | 1.11 (1.04-1.18) | ||
| % Built < 1940 | 1.11 (0.99-1.25) | 1.17 (1.03-1.33) | 1.10 (0.98-1.23) | 1.13 (1.02-1.26) | 1.03 (0.92-1.14) | 1.15 (1.01-1.30)* | ||
| % Built 1940-1959 | 1.11 (0.99-1.25) | 1.09 (1.01-1.17) | 1.10 (0.98-1.23) | 1.08 (1.01-1.16) | 1.03 (0.92-1.14) | 1.10 (1.02-1.18)* | ||
| % Built 1960-1979 | 1.11 (0.99-1.25) | 1.14 (1.06-1.23) | 1.10 (0.98-1.23) | 1.13 (1.05-1.22) | 1.03 (0.92-1.14) | 1.12 (1.04-1.21)* | ||
Significance of interaction term:
*
p < 0.10
** p < 0.05
***
p < 0.001.